07/01/22
A party mix is made by adding nuts that sell for $2.50 per kg to a cereal mixture that sells for $1 per kg. How much of each should be added to obtain 30kg of a mix that will sell for $1.90 per kg
A party mix is made by adding nuts that sell for $2.50 per kg to a cereal mixture that sells for $1 per kg. How much of each should be added to obtain 30 kg of a mix that will sell for $1.90...
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07/01/22
Traveling equation
A grain barge travels on a river from point A to point B loading and unloading grain. The barge travels at a rate of 10 mph relative to the water. The river flows downstream at a rate of 1 mph. If...
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07/01/22
Probability question Fair die
A fair die is rolled four times. What is the probability that it comes up 5 at least once? Write your answer as a fraction or a decimal, rounded to four decimal places.
07/01/22
Traveling equation
Manuel traveled 7 hours nonstop to Mexico, a total of 378 miles. He took a train part of the way, which averaged 60mph, and then took a bus the remaining distance, which averaged 30mph. How...
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07/01/22
solve the word problem
Jeff and Kirk can build a 75-ft retaining wall together in 4 hours. Because Jeff has more experience, he could build the wall by himself 1 hour quicker than Kirk. How long would it take Kirk (to...
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06/30/22
How many mililiters of pure acid should be added to 35 ml. of 30% acid to make 50% acid solution?
06/30/22
Student feild trip
The senior class at high school a rented and filled 5 vans and 3 buses with 90 students. High school b rented and filled 9 vans and 4 buses with 141 students. Each van and each bus carried the same...
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Graphing a cube root function
Graph the function.Plot five points on the graph of the function, as follows.
Plot the first point using the x-value that satisfies
Plot two points to the left and two points to the right of the...
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06/30/22
You’ve purchased 1 lb. of golden raspberries for $6.45. After cleaning the raspberries, you have a 3% trim loss. How much does 1 pound of cleaned raspberries cost?
I am not 100% sure if I should round the answer.
06/30/22
g\left(x\right)=4x^{2}-16
if g\left(x\right)=4x^{2}-16 were shifted 9 units to the right and 1 down what would the new equation be?
Another solving a quadratic equation by completing the square: Exact answers
Solve the quadratic equation by completing the square.x^2 - 8x + 2 = 0First, choose the appropriate form and fill in the blanks with the correct numbers.Then, solve the equation. If there is more...
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Another writing equations of lines parallel and perpendicular to a given line through a point
Consider the line y=7x-7Find the equation of the line that is perpendicular to this line and passes through the point (−3, 6)Find the equation of the line that is parallel to this line and passes...
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Another word problem involving the maximum or minimum of a quadratic function
A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the functionWhat is the maximum height that the ball will reach? Do not round your answer.
06/29/22
How do I classify numbers?
As in integers, irrational numbers, whole numbers and rational numbers?
06/29/22
Revenue function, profit function, and domain
Suppose the demand price for selling out a production run of x DVDs is given by p(x)=-0.0005x2+60 dollars per DVD. Further suppose the weekly cost of producing these DVDs is given by...
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Part 1: Graph piecewise functions from tables and equations.
Isabel’s competition,who sells books and no other products, charges a shipping fee of $1.99 per book plus a fixed fee of $3 for each order. Let x be the number of books purchased and f(x) be the...
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06/29/22
Part 3: Solve a real-world problem using a cube root function.
Once Isabel rented the warehouse space, she decided to post ads on several social media sites to advertise her online bookstore. Let x represent the number of months the ads have been posted....
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06/29/22
Help with Calculus problem
a) Find f.f '(t) = sec(t)(sec(t) + tan(t)), − 𝜋/2 < t < 𝜋/, f (𝜋/4) = −7f(t) = ???b) Find f.f ''(x) = x^-2, x > 0, f(1) = 0, f(6) = 0f(x) = ???
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